Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Sine Cosine and TAngent of Obtuse Angles

Author:Jamie Moodie
Topic:Angles, Cosine, Sine
In this activity, you will use GeoGebra to drag point A to create each listed primary angle B. Then, use the side lengths and your calculator to determine the value of each primarytrigonometric ratio in the chart.

New Resources

  • Volume by Shells Around y
  • רישום חופשי
  • Making New Year's resolutions for 2026
  • Shells
  • Exploring GeoGebra for the First Time

Discover Resources

  • CER: Sum of Interior Angles of Polygons
  • M6 2.2
  • Hai mẫu dữ liệu
  • Triangle Sides Lengths Part 2
  • trigonometrijska kružnica
  • A Parametric Snowflake - Fiocco di neve

Discover Topics

  • Cylinder
  • Coordinates
  • Geometric Transformations
  • Bar Chart or Bar Graph
  • Combinatorics
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®